diff --git a/bootloader/rustsbi-qemu.bin b/bootloader/rustsbi-qemu.bin
index d74249e..66cb3b2 100755
Binary files a/bootloader/rustsbi-qemu.bin and b/bootloader/rustsbi-qemu.bin differ
diff --git a/os/run.sh b/os/run.sh
new file mode 100755
index 0000000..f9e96d6
--- /dev/null
+++ b/os/run.sh
@@ -0,0 +1,9 @@
+qemu-system-riscv64 -M 128m -machine virt  \
+-bios ../bootloader/rustsbi-qemu.bin  \
+-device loader,file=target/riscv64gc-unknown-none-elf/release/os.bin,addr=0x80200000  \
+-drive file=../user/target/riscv64gc-unknown-none-elf/release/fs.img,if=none,format=raw,id=x0  \
+-device virtio-blk-device,drive=x0  \
+-device virtio-gpu-device  \
+-device virtio-keyboard-device  \
+-device virtio-mouse-device \
+-serial stdio  
diff --git a/os/src/boards/qemu.rs b/os/src/boards/qemu.rs
index 19ec397..16dfb40 100644
--- a/os/src/boards/qemu.rs
+++ b/os/src/boards/qemu.rs
@@ -1,8 +1,8 @@
 pub const CLOCK_FREQ: usize = 12500000;
 
 pub const MMIO: &[(usize, usize)] = &[
-    (0x1000_0000, 0x1000),    // VIRT_UART0 in virt machine
-    (0x1000_1000, 0x1000),    // VIRT_VIRTIO in virt machine
+    (0x1000_0000, 0xa000), // VIRT_UART0 in virt machine
+    //    (0x1000_1000, 0x9000),    // VIRT_VIRTIO with GPU in virt machine
     (0x0C00_0000, 0x40_0000), // VIRT_PLIC in virt machine
     (0x0010_0000, 0x00_2000), // VIRT_TEST/RTC  in virt machine
 ];
diff --git a/os/src/drivers/block/virtio_blk.rs b/os/src/drivers/block/virtio_blk.rs
index 75e69c1..ff460d7 100644
--- a/os/src/drivers/block/virtio_blk.rs
+++ b/os/src/drivers/block/virtio_blk.rs
@@ -12,7 +12,7 @@ use lazy_static::*;
 use virtio_drivers::{BlkResp, RespStatus, VirtIOBlk, VirtIOHeader};
 
 #[allow(unused)]
-const VIRTIO0: usize = 0x10001000;
+const VIRTIO0: usize = 0x10008000;
 
 pub struct VirtIOBlock {
     virtio_blk: UPIntrFreeCell<VirtIOBlk<'static>>,
diff --git a/os/src/main.rs b/os/src/main.rs
index c4f096b..ff6cf3a 100644
--- a/os/src/main.rs
+++ b/os/src/main.rs
@@ -22,6 +22,7 @@ mod console;
 mod config;
 mod drivers;
 mod fs;
+mod gui;
 mod lang_items;
 mod mm;
 mod sbi;
@@ -30,7 +31,6 @@ mod syscall;
 mod task;
 mod timer;
 mod trap;
-mod gui;
 
 core::arch::global_asm!(include_str!("entry.asm"));
 
@@ -57,9 +57,13 @@ lazy_static! {
 pub fn rust_main() -> ! {
     clear_bss();
     mm::init();
+    println!("KERN: init gpu");
     GPU_DEVICE.clone();
+    println!("KERN: init keyboard");
     KEYBOARD_DEVICE.clone();
+    println!("KERN: init mouse");
     MOUSE_DEVICE.clone();
+    println!("KERN: init trap");
     trap::init();
     trap::enable_timer_interrupt();
     timer::set_next_trigger();